Properties of the Number -828576

Eight Hundred Twenty-Eight Thousand Five Hundred Seventy-Six

Basics

Value: -828577 → -828576 → -828575

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ³ × 7 × 137

Divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11001010010010100000

Octal: -3122240

Duodecimal: -33B600

Hexadecimal: -ca4a0

Square: 686538187776

Square Root: 910.2615008886182

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = φ(6ⁿ-1)/n, where φ is Euler's totient function (A000010). A295496

n! * Sum[k=1..ceiling(n/2), 1/k]. A101610

a(n) = (n + 1)²*(5·n² + 10·n + 2)/2. A269237